Dyscolotaxia, Horn, 1890

Otto, Robert L., 2023, A revision of Dyscolotaxia Horn, 1890 (Coleoptera: Eucnemidae: Macraulacinae: Macraulacini), with the description of Amazotaxia new genus from South America, Insecta Mundi 2023 (21), pp. 1-15 : 3

Key to the species of Dyscolotaxia

1. Last abdominal ventrite rounded ( Fig. 1 ).................................................... 2

— Last abdominal ventrite strongly produced ( Fig. 2 )... Dyscolotaxia hispaniolensis Otto , new species

2(1). Antennal flagellomeres II and III quadrate, each shorter than either IV or V..................... 3

— Antennal flagellomeres II–V quadrate, subequal ( Fig. 3 )............. Dyscolotaxia championi Horn

3(2). Antennal flagellomere VI shorter than the combined lengths of antennal flagellomeres III–V ( Fig. 4 )............................................... Dyscolotaxia chiriquiensis Otto , new species

— Antennal flagellomere VI as long as the combined lengths of antennal flagellomeres III–V................................................................ Dyscolotaxia picea Otto , new species

Figures

Figures 1–4. Dyscolotaxia species. 1) Dyscolotaxia championi, last abdominal ventrite, ventral view. 2) Dyscolotaxia hispaniolensis Otto sp. nov., last abdominal ventrite, ventral view. 3) Dyscolotaxia championi, antenna, dorsal view.4) Dyscolotaxia chiriquiensis Otto sp. nov., antenna, ventral view. (1–4 = no scale)